Table 3.

Test if mean work time overlap between the real couples and psuedo couples is different

	Compare overlap variable with PC1			Compare overlap variable with PC2
	Real couples	PC1	Difference	Real couples PC2	PC2	Difference
Mean	7.375	7.286	.089	7.375	7.299	.076
SE of mean	.047	.047	.018***	.047	.046	.032**
SD of mean	1.997	1.967	.763	1.997	1.936	1.355
Number of observations	1,772	1,772	1,772	1,772	1,772	1,772

Note:^* Significant at 10% level, ^** Significant at 5% level, ^*** Significant at 1% level